/**
 * 
 */
function gugudaninit()
{
	var d = document.frm.dan;
	document.getElementById("btngu").onclick=function()
	{
		
		if(d.value=='')
		{
			alret("빈칸이군요!!");
			d.focus();
		}
		else
		{
			document.frm.submit();
		}
	}
}